(ii)being jewellery, acrhaeological collections, drawings, paintings, sculptures, any work of art, shares or securities referred to in rule 11UA, shall be the value determined in the manner provided in sub-rule (1) of rule 11UA and for this purpose the reference to the valuation date in the rule 11U and rule 11UA shall be the date on which the inventory is converted into, or treated, as a capital asset;]